Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

56°F

13°C

Humidity 59%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Jul 11:15 pm MDT
Extended Forecast for

4 Miles WSW Grand Lake CO

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 75. Light west northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light northwest  in the evening. Winds could gust as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. West southwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 16 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Light and variable wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 75. Light west northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 49. West southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Grand Lake CO
 40.23°N 105.9°W (Elev. 8947 ft)
8:10 pm MDT Jul 18, 2025
11pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database